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74c5156f9d
Surprisingly, augtool get (or print) returns "path = value" while we are only interested in the value. We need to remove the "path = " part from the augtool's output. The following is an example of the augtool command as used in virt-sanlock-cleanup script: $ augtool get /files/etc/libvirt/qemu-sanlock.conf/disk_lease_dir /files/etc/libvirt/qemu-sanlock.conf/disk_lease_dir = /var/lib/libvirt/sanlock
114 lines
2.8 KiB
Bash
114 lines
2.8 KiB
Bash
#!/bin/sh
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# A script to cleanup resource leases auto-created by
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# the libvirt lock plugin for sanlock
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# Copyright (C) 2011, 2013 Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library. If not, see
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# <http://www.gnu.org/licenses/>.
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verbose=1
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if test "x$1" = "x-q" ; then
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verbose=0
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fi
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LOCKSPACE="__LIBVIRT__DISKS__"
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LOCKDIR=`augtool get '/files@sysconfdir@/libvirt/qemu-sanlock.conf/disk_lease_dir'`
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LOCKDIR=${LOCKDIR#* = }
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if test $? != 0 || test "x$LOCKDIR" = "x" ; then
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LOCKDIR="@localstatedir@/lib/libvirt/sanlock"
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fi
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notify() {
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test $verbose = 1 || return
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if test "x$1" = "x-n"; then
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shift
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printf %s "$*"
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else
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printf %s\\n "$*"
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fi
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}
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cd "$LOCKDIR" || exit 1
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for MD5 in *
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do
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if test $MD5 != '*' && test $MD5 != $LOCKSPACE ; then
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RESOURCE="$LOCKSPACE:$MD5:$LOCKDIR/$MD5:0"
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notify -n "Cleanup: $RESOURCE "
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sanlock client command -r $RESOURCE -c /bin/rm -f "$LOCKDIR/$MD5" 2>/dev/null
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if test $? = 0 ; then
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notify "PASS"
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else
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notify "FAIL"
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fi
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fi
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done
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exit 0
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: <<=cut
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=pod
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=head1 NAME
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virt-sanlock-cleanup - remove stale sanlock resource lease files
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=head1 SYNOPSIS
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virt-sanlock-cleanup
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=head1 DESCRIPTION
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This tool removes any resource lease files created by the sanlock
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lock manager plugin. The resource lease files only need to exist
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on disks when a guest using the resource is active. This script
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reclaims the disk space used by resources which are not currently
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active.
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=head1 EXIT STATUS
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Upon successful processing of leases cleanup, an exit status
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of 0 will be set. Upon fatal error a non-zero status will
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be set.
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=head1 AUTHOR
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Daniel Berrange
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=head1 BUGS
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Report any bugs discovered to the libvirt community via the
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mailing list C<http://libvirt.org/contact.html> or bug tracker C<http://libvirt.org/bugs.html>.
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Alternatively report bugs to your software distributor / vendor.
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=head1 COPYRIGHT
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Copyright (C) 2011, 2013 Red Hat, Inc.
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=head1 LICENSE
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virt-sanlock-cleanup is distributed under the terms of the GNU GPL v2+.
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This is free software; see the source for copying conditions. There
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is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE
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=head1 SEE ALSO
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C<virsh(1)>, online instructions C<http://libvirt.org/locking.html>
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=cut
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